Home / 157,300.16-217,077.54-85,680.01

Finding the Fourth Proportional to 157,300.16, 217,077.54 and 85,680.01

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Solution

The fourth proportional to 157,300.16, 217,077.54 and 85,680.01 is: 118,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,300.16 : 217,077.54 = 85,680.01 : x
  2. Step 2: Convert to fraction form
    157,300.16/217,077.54 = 85,680.01/x
  3. Step 3: Cross multiply
    157,300.16x = 217,077.54 × 85,680.01
  4. Step 4: Simplify right side
    157,300.16x = 18,599,204,712.59
  5. Step 5: Solve for x
    x = 18,599,204,712.59/157,300.16
  6. Step 6: Final answer
    x = 118,240.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.