Home / 145,811.39-218,803.20-61,566.10

Finding the Fourth Proportional to 145,811.39, 218,803.20 and 61,566.10

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Solution

The fourth proportional to 145,811.39, 218,803.20 and 61,566.10 is: 92,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,811.39 : 218,803.20 = 61,566.10 : x
  2. Step 2: Convert to fraction form
    145,811.39/218,803.20 = 61,566.10/x
  3. Step 3: Cross multiply
    145,811.39x = 218,803.20 × 61,566.10
  4. Step 4: Simplify right side
    145,811.39x = 13,470,859,702.18
  5. Step 5: Solve for x
    x = 13,470,859,702.18/145,811.39
  6. Step 6: Final answer
    x = 92,385.51

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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.