Home / 160,490.26-239,681.53-128,948.25

Finding the Fourth Proportional to 160,490.26, 239,681.53 and 128,948.25

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Solution

The fourth proportional to 160,490.26, 239,681.53 and 128,948.25 is: 192,575.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,490.26 : 239,681.53 = 128,948.25 : x
  2. Step 2: Convert to fraction form
    160,490.26/239,681.53 = 128,948.25/x
  3. Step 3: Cross multiply
    160,490.26x = 239,681.53 × 128,948.25
  4. Step 4: Simplify right side
    160,490.26x = 30,906,514,910.81
  5. Step 5: Solve for x
    x = 30,906,514,910.81/160,490.26
  6. Step 6: Final answer
    x = 192,575.64

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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.