Home / 162,562.95-243,534.60-87,658.20

Finding the Fourth Proportional to 162,562.95, 243,534.60 and 87,658.20

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Solution

The fourth proportional to 162,562.95, 243,534.60 and 87,658.20 is: 131,320.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,562.95 : 243,534.60 = 87,658.20 : x
  2. Step 2: Convert to fraction form
    162,562.95/243,534.60 = 87,658.20/x
  3. Step 3: Cross multiply
    162,562.95x = 243,534.60 × 87,658.20
  4. Step 4: Simplify right side
    162,562.95x = 21,347,804,673.72
  5. Step 5: Solve for x
    x = 21,347,804,673.72/162,562.95
  6. Step 6: Final answer
    x = 131,320.23

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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.