Home / 102,010.32-153,065.70-45,890.10

Finding the Fourth Proportional to 102,010.32, 153,065.70 and 45,890.10

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Solution

The fourth proportional to 102,010.32, 153,065.70 and 45,890.10 is: 68,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,010.32 : 153,065.70 = 45,890.10 : x
  2. Step 2: Convert to fraction form
    102,010.32/153,065.70 = 45,890.10/x
  3. Step 3: Cross multiply
    102,010.32x = 153,065.70 × 45,890.10
  4. Step 4: Simplify right side
    102,010.32x = 7,024,200,279.57
  5. Step 5: Solve for x
    x = 7,024,200,279.57/102,010.32
  6. Step 6: Final answer
    x = 68,857.74

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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.