Home / 153,019.20-229,528.80-70,075.20

Finding the Fourth Proportional to 153,019.20, 229,528.80 and 70,075.20

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Solution

The fourth proportional to 153,019.20, 229,528.80 and 70,075.20 is: 105,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,019.20 : 229,528.80 = 70,075.20 : x
  2. Step 2: Convert to fraction form
    153,019.20/229,528.80 = 70,075.20/x
  3. Step 3: Cross multiply
    153,019.20x = 229,528.80 × 70,075.20
  4. Step 4: Simplify right side
    153,019.20x = 16,084,276,565.76
  5. Step 5: Solve for x
    x = 16,084,276,565.76/153,019.20
  6. Step 6: Final answer
    x = 105,112.80

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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.