Home / 145,821.04-218,762.06-61,581.40

Finding the Fourth Proportional to 145,821.04, 218,762.06 and 61,581.40

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Solution

The fourth proportional to 145,821.04, 218,762.06 and 61,581.40 is: 92,384.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,821.04 : 218,762.06 = 61,581.40 : x
  2. Step 2: Convert to fraction form
    145,821.04/218,762.06 = 61,581.40/x
  3. Step 3: Cross multiply
    145,821.04x = 218,762.06 × 61,581.40
  4. Step 4: Simplify right side
    145,821.04x = 13,471,673,921.68
  5. Step 5: Solve for x
    x = 13,471,673,921.68/145,821.04
  6. Step 6: Final answer
    x = 92,384.98

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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.