Home / 125,780.64-173,435.04-97,035.36

Finding the Fourth Proportional to 125,780.64, 173,435.04 and 97,035.36

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Solution

The fourth proportional to 125,780.64, 173,435.04 and 97,035.36 is: 133,799.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,780.64 : 173,435.04 = 97,035.36 : x
  2. Step 2: Convert to fraction form
    125,780.64/173,435.04 = 97,035.36/x
  3. Step 3: Cross multiply
    125,780.64x = 173,435.04 × 97,035.36
  4. Step 4: Simplify right side
    125,780.64x = 16,829,331,543.01
  5. Step 5: Solve for x
    x = 16,829,331,543.01/125,780.64
  6. Step 6: Final answer
    x = 133,799.06

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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.