Home / 130,570.26-180,187.18-73,985.46

Finding the Fourth Proportional to 130,570.26, 180,187.18 and 73,985.46

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Solution

The fourth proportional to 130,570.26, 180,187.18 and 73,985.46 is: 102,100.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,570.26 : 180,187.18 = 73,985.46 : x
  2. Step 2: Convert to fraction form
    130,570.26/180,187.18 = 73,985.46/x
  3. Step 3: Cross multiply
    130,570.26x = 180,187.18 × 73,985.46
  4. Step 4: Simplify right side
    130,570.26x = 13,331,231,398.40
  5. Step 5: Solve for x
    x = 13,331,231,398.40/130,570.26
  6. Step 6: Final answer
    x = 102,100.06

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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.