Home / 157,457.04-216,876.06-130,513.20

Finding the Fourth Proportional to 157,457.04, 216,876.06 and 130,513.20

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Solution

The fourth proportional to 157,457.04, 216,876.06 and 130,513.20 is: 179,764.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,457.04 : 216,876.06 = 130,513.20 : x
  2. Step 2: Convert to fraction form
    157,457.04/216,876.06 = 130,513.20/x
  3. Step 3: Cross multiply
    157,457.04x = 216,876.06 × 130,513.20
  4. Step 4: Simplify right side
    157,457.04x = 28,305,188,593.99
  5. Step 5: Solve for x
    x = 28,305,188,593.99/157,457.04
  6. Step 6: Final answer
    x = 179,764.52

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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.