Home / 156,915.51-236,227.07-142,965.15

Finding the Fourth Proportional to 156,915.51, 236,227.07 and 142,965.15

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Solution

The fourth proportional to 156,915.51, 236,227.07 and 142,965.15 is: 215,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,915.51 : 236,227.07 = 142,965.15 : x
  2. Step 2: Convert to fraction form
    156,915.51/236,227.07 = 142,965.15/x
  3. Step 3: Cross multiply
    156,915.51x = 236,227.07 × 142,965.15
  4. Step 4: Simplify right side
    156,915.51x = 33,772,238,496.61
  5. Step 5: Solve for x
    x = 33,772,238,496.61/156,915.51
  6. Step 6: Final answer
    x = 215,225.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.