Home / 118,288.64-163,242.18-64,576.52

Finding the Fourth Proportional to 118,288.64, 163,242.18 and 64,576.52

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Solution

The fourth proportional to 118,288.64, 163,242.18 and 64,576.52 is: 89,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,288.64 : 163,242.18 = 64,576.52 : x
  2. Step 2: Convert to fraction form
    118,288.64/163,242.18 = 64,576.52/x
  3. Step 3: Cross multiply
    118,288.64x = 163,242.18 × 64,576.52
  4. Step 4: Simplify right side
    118,288.64x = 10,541,611,901.61
  5. Step 5: Solve for x
    x = 10,541,611,901.61/118,288.64
  6. Step 6: Final answer
    x = 89,117.70

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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.