Home / 131,972.18-182,192.27-103,230.77

Finding the Fourth Proportional to 131,972.18, 182,192.27 and 103,230.77

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Solution

The fourth proportional to 131,972.18, 182,192.27 and 103,230.77 is: 142,513.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,972.18 : 182,192.27 = 103,230.77 : x
  2. Step 2: Convert to fraction form
    131,972.18/182,192.27 = 103,230.77/x
  3. Step 3: Cross multiply
    131,972.18x = 182,192.27 × 103,230.77
  4. Step 4: Simplify right side
    131,972.18x = 18,807,849,702.67
  5. Step 5: Solve for x
    x = 18,807,849,702.67/131,972.18
  6. Step 6: Final answer
    x = 142,513.74

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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.