Home / 185,972.40-256,765.49-142,875.13

Finding the Fourth Proportional to 185,972.40, 256,765.49 and 142,875.13

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Solution

The fourth proportional to 185,972.40, 256,765.49 and 142,875.13 is: 197,262.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,972.40 : 256,765.49 = 142,875.13 : x
  2. Step 2: Convert to fraction form
    185,972.40/256,765.49 = 142,875.13/x
  3. Step 3: Cross multiply
    185,972.40x = 256,765.49 × 142,875.13
  4. Step 4: Simplify right side
    185,972.40x = 36,685,402,048.89
  5. Step 5: Solve for x
    x = 36,685,402,048.89/185,972.40
  6. Step 6: Final answer
    x = 197,262.62

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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.