Home / 155,439.90-233,159.85-143,516.70

Finding the Fourth Proportional to 155,439.90, 233,159.85 and 143,516.70

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Solution

The fourth proportional to 155,439.90, 233,159.85 and 143,516.70 is: 215,275.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,439.90 : 233,159.85 = 143,516.70 : x
  2. Step 2: Convert to fraction form
    155,439.90/233,159.85 = 143,516.70/x
  3. Step 3: Cross multiply
    155,439.90x = 233,159.85 × 143,516.70
  4. Step 4: Simplify right side
    155,439.90x = 33,462,332,244.50
  5. Step 5: Solve for x
    x = 33,462,332,244.50/155,439.90
  6. Step 6: Final answer
    x = 215,275.05

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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.