Home / 109,816.02-151,545.12-61,417.86

Finding the Fourth Proportional to 109,816.02, 151,545.12 and 61,417.86

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Solution

The fourth proportional to 109,816.02, 151,545.12 and 61,417.86 is: 84,756.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,816.02 : 151,545.12 = 61,417.86 : x
  2. Step 2: Convert to fraction form
    109,816.02/151,545.12 = 61,417.86/x
  3. Step 3: Cross multiply
    109,816.02x = 151,545.12 × 61,417.86
  4. Step 4: Simplify right side
    109,816.02x = 9,307,576,963.84
  5. Step 5: Solve for x
    x = 9,307,576,963.84/109,816.02
  6. Step 6: Final answer
    x = 84,756.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.