Home / 157,263.86-217,033.25-118,432.15

Finding the Fourth Proportional to 157,263.86, 217,033.25 and 118,432.15

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Solution

The fourth proportional to 157,263.86, 217,033.25 and 118,432.15 is: 163,443.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,263.86 : 217,033.25 = 118,432.15 : x
  2. Step 2: Convert to fraction form
    157,263.86/217,033.25 = 118,432.15/x
  3. Step 3: Cross multiply
    157,263.86x = 217,033.25 × 118,432.15
  4. Step 4: Simplify right side
    157,263.86x = 25,703,713,284.24
  5. Step 5: Solve for x
    x = 25,703,713,284.24/157,263.86
  6. Step 6: Final answer
    x = 163,443.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.