Home / 101,514.30-152,271.45-45,332.70

Finding the Fourth Proportional to 101,514.30, 152,271.45 and 45,332.70

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Solution

The fourth proportional to 101,514.30, 152,271.45 and 45,332.70 is: 67,999.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,514.30 : 152,271.45 = 45,332.70 : x
  2. Step 2: Convert to fraction form
    101,514.30/152,271.45 = 45,332.70/x
  3. Step 3: Cross multiply
    101,514.30x = 152,271.45 × 45,332.70
  4. Step 4: Simplify right side
    101,514.30x = 6,902,875,961.42
  5. Step 5: Solve for x
    x = 6,902,875,961.42/101,514.30
  6. Step 6: Final answer
    x = 67,999.05

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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.