Home / 145,528.04-218,345.22-61,309.31

Finding the Fourth Proportional to 145,528.04, 218,345.22 and 61,309.31

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Solution

The fourth proportional to 145,528.04, 218,345.22 and 61,309.31 is: 91,986.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,528.04 : 218,345.22 = 61,309.31 : x
  2. Step 2: Convert to fraction form
    145,528.04/218,345.22 = 61,309.31/x
  3. Step 3: Cross multiply
    145,528.04x = 218,345.22 × 61,309.31
  4. Step 4: Simplify right side
    145,528.04x = 13,386,593,688.27
  5. Step 5: Solve for x
    x = 13,386,593,688.27/145,528.04
  6. Step 6: Final answer
    x = 91,986.35

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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.