Home / 160,491.26-239,683.02-128,949.25

Finding the Fourth Proportional to 160,491.26, 239,683.02 and 128,949.25

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Solution

The fourth proportional to 160,491.26, 239,683.02 and 128,949.25 is: 192,577.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,491.26 : 239,683.02 = 128,949.25 : x
  2. Step 2: Convert to fraction form
    160,491.26/239,683.02 = 128,949.25/x
  3. Step 3: Cross multiply
    160,491.26x = 239,683.02 × 128,949.25
  4. Step 4: Simplify right side
    160,491.26x = 30,906,945,666.74
  5. Step 5: Solve for x
    x = 30,906,945,666.74/160,491.26
  6. Step 6: Final answer
    x = 192,577.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.