Home / 142,767.36-215,397.63-142,373.70

Finding the Fourth Proportional to 142,767.36, 215,397.63 and 142,373.70

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Solution

The fourth proportional to 142,767.36, 215,397.63 and 142,373.70 is: 214,803.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,767.36 : 215,397.63 = 142,373.70 : x
  2. Step 2: Convert to fraction form
    142,767.36/215,397.63 = 142,373.70/x
  3. Step 3: Cross multiply
    142,767.36x = 215,397.63 × 142,373.70
  4. Step 4: Simplify right side
    142,767.36x = 30,666,957,554.33
  5. Step 5: Solve for x
    x = 30,666,957,554.33/142,767.36
  6. Step 6: Final answer
    x = 214,803.70

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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.