Home / 102,213.04-153,319.58-45,987.48

Finding the Fourth Proportional to 102,213.04, 153,319.58 and 45,987.48

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Solution

The fourth proportional to 102,213.04, 153,319.58 and 45,987.48 is: 68,981.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,213.04 : 153,319.58 = 45,987.48 : x
  2. Step 2: Convert to fraction form
    102,213.04/153,319.58 = 45,987.48/x
  3. Step 3: Cross multiply
    102,213.04x = 153,319.58 × 45,987.48
  4. Step 4: Simplify right side
    102,213.04x = 7,050,781,118.86
  5. Step 5: Solve for x
    x = 7,050,781,118.86/102,213.04
  6. Step 6: Final answer
    x = 68,981.23

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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.