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Finding the Fourth Proportional to 158,802.40, 238,130.70 and 70,010.20

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Solution

The fourth proportional to 158,802.40, 238,130.70 and 70,010.20 is: 104,983.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,802.40 : 238,130.70 = 70,010.20 : x
  2. Step 2: Convert to fraction form
    158,802.40/238,130.70 = 70,010.20/x
  3. Step 3: Cross multiply
    158,802.40x = 238,130.70 × 70,010.20
  4. Step 4: Simplify right side
    158,802.40x = 16,671,577,933.14
  5. Step 5: Solve for x
    x = 16,671,577,933.14/158,802.40
  6. Step 6: Final answer
    x = 104,983.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.