Home / 153,657.20-230,402.27-69,318.59

Finding the Fourth Proportional to 153,657.20, 230,402.27 and 69,318.59

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Solution

The fourth proportional to 153,657.20, 230,402.27 and 69,318.59 is: 103,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,657.20 : 230,402.27 = 69,318.59 : x
  2. Step 2: Convert to fraction form
    153,657.20/230,402.27 = 69,318.59/x
  3. Step 3: Cross multiply
    153,657.20x = 230,402.27 × 69,318.59
  4. Step 4: Simplify right side
    153,657.20x = 15,971,159,510.48
  5. Step 5: Solve for x
    x = 15,971,159,510.48/153,657.20
  6. Step 6: Final answer
    x = 103,940.19

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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.