Home / 125,614.16-173,298.20-71,870.46

Finding the Fourth Proportional to 125,614.16, 173,298.20 and 71,870.46

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Solution

The fourth proportional to 125,614.16, 173,298.20 and 71,870.46 is: 99,153.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,614.16 : 173,298.20 = 71,870.46 : x
  2. Step 2: Convert to fraction form
    125,614.16/173,298.20 = 71,870.46/x
  3. Step 3: Cross multiply
    125,614.16x = 173,298.20 × 71,870.46
  4. Step 4: Simplify right side
    125,614.16x = 12,455,021,351.17
  5. Step 5: Solve for x
    x = 12,455,021,351.17/125,614.16
  6. Step 6: Final answer
    x = 99,153.00

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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.