Home / 145,877.76-217,517.40-145,598.85

Finding the Fourth Proportional to 145,877.76, 217,517.40 and 145,598.85

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Solution

The fourth proportional to 145,877.76, 217,517.40 and 145,598.85 is: 217,101.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,877.76 : 217,517.40 = 145,598.85 : x
  2. Step 2: Convert to fraction form
    145,877.76/217,517.40 = 145,598.85/x
  3. Step 3: Cross multiply
    145,877.76x = 217,517.40 × 145,598.85
  4. Step 4: Simplify right side
    145,877.76x = 31,670,283,294.99
  5. Step 5: Solve for x
    x = 31,670,283,294.99/145,877.76
  6. Step 6: Final answer
    x = 217,101.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.