Home / 152,176.31-228,077.51-85,476.23

Finding the Fourth Proportional to 152,176.31, 228,077.51 and 85,476.23

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Solution

The fourth proportional to 152,176.31, 228,077.51 and 85,476.23 is: 128,109.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,176.31 : 228,077.51 = 85,476.23 : x
  2. Step 2: Convert to fraction form
    152,176.31/228,077.51 = 85,476.23/x
  3. Step 3: Cross multiply
    152,176.31x = 228,077.51 × 85,476.23
  4. Step 4: Simplify right side
    152,176.31x = 19,495,205,702.59
  5. Step 5: Solve for x
    x = 19,495,205,702.59/152,176.31
  6. Step 6: Final answer
    x = 128,109.33

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1.5x scale

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.