Home / 162,024.40-243,036.60-99,038.80

Finding the Fourth Proportional to 162,024.40, 243,036.60 and 99,038.80

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Solution

The fourth proportional to 162,024.40, 243,036.60 and 99,038.80 is: 148,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,024.40 : 243,036.60 = 99,038.80 : x
  2. Step 2: Convert to fraction form
    162,024.40/243,036.60 = 99,038.80/x
  3. Step 3: Cross multiply
    162,024.40x = 243,036.60 × 99,038.80
  4. Step 4: Simplify right side
    162,024.40x = 24,070,053,220.08
  5. Step 5: Solve for x
    x = 24,070,053,220.08/162,024.40
  6. Step 6: Final answer
    x = 148,558.20

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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.