Home / 210,085.20-314,980.18-76,948.16

Finding the Fourth Proportional to 210,085.20, 314,980.18 and 76,948.16

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Solution

The fourth proportional to 210,085.20, 314,980.18 and 76,948.16 is: 115,368.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,085.20 : 314,980.18 = 76,948.16 : x
  2. Step 2: Convert to fraction form
    210,085.20/314,980.18 = 76,948.16/x
  3. Step 3: Cross multiply
    210,085.20x = 314,980.18 × 76,948.16
  4. Step 4: Simplify right side
    210,085.20x = 24,237,145,287.47
  5. Step 5: Solve for x
    x = 24,237,145,287.47/210,085.20
  6. Step 6: Final answer
    x = 115,368.17

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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.