Home / 145,981.04-218,973.68-61,730.66

Finding the Fourth Proportional to 145,981.04, 218,973.68 and 61,730.66

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Solution

The fourth proportional to 145,981.04, 218,973.68 and 61,730.66 is: 92,596.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,981.04 : 218,973.68 = 61,730.66 : x
  2. Step 2: Convert to fraction form
    145,981.04/218,973.68 = 61,730.66/x
  3. Step 3: Cross multiply
    145,981.04x = 218,973.68 × 61,730.66
  4. Step 4: Simplify right side
    145,981.04x = 13,517,389,027.57
  5. Step 5: Solve for x
    x = 13,517,389,027.57/145,981.04
  6. Step 6: Final answer
    x = 92,596.88

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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.