Home / 162,001.30-243,001.95-112,137.70

Finding the Fourth Proportional to 162,001.30, 243,001.95 and 112,137.70

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Solution

The fourth proportional to 162,001.30, 243,001.95 and 112,137.70 is: 168,206.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,001.30 : 243,001.95 = 112,137.70 : x
  2. Step 2: Convert to fraction form
    162,001.30/243,001.95 = 112,137.70/x
  3. Step 3: Cross multiply
    162,001.30x = 243,001.95 × 112,137.70
  4. Step 4: Simplify right side
    162,001.30x = 27,249,679,768.52
  5. Step 5: Solve for x
    x = 27,249,679,768.52/162,001.30
  6. Step 6: Final answer
    x = 168,206.55

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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.