Home / 145,519.60-218,279.40-47,023.60

Finding the Fourth Proportional to 145,519.60, 218,279.40 and 47,023.60

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Solution

The fourth proportional to 145,519.60, 218,279.40 and 47,023.60 is: 70,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,519.60 : 218,279.40 = 47,023.60 : x
  2. Step 2: Convert to fraction form
    145,519.60/218,279.40 = 47,023.60/x
  3. Step 3: Cross multiply
    145,519.60x = 218,279.40 × 47,023.60
  4. Step 4: Simplify right side
    145,519.60x = 10,264,283,193.84
  5. Step 5: Solve for x
    x = 10,264,283,193.84/145,519.60
  6. Step 6: Final answer
    x = 70,535.40

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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.