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Finding the Fourth Proportional to 134,838.60, 202,330.80 and 59,970.30

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Solution

The fourth proportional to 134,838.60, 202,330.80 and 59,970.30 is: 89,987.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,838.60 : 202,330.80 = 59,970.30 : x
  2. Step 2: Convert to fraction form
    134,838.60/202,330.80 = 59,970.30/x
  3. Step 3: Cross multiply
    134,838.60x = 202,330.80 × 59,970.30
  4. Step 4: Simplify right side
    134,838.60x = 12,133,838,775.24
  5. Step 5: Solve for x
    x = 12,133,838,775.24/134,838.60
  6. Step 6: Final answer
    x = 89,987.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.