Home / 130,505.56-180,092.86-70,888.28

Finding the Fourth Proportional to 130,505.56, 180,092.86 and 70,888.28

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Solution

The fourth proportional to 130,505.56, 180,092.86 and 70,888.28 is: 97,823.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,505.56 : 180,092.86 = 70,888.28 : x
  2. Step 2: Convert to fraction form
    130,505.56/180,092.86 = 70,888.28/x
  3. Step 3: Cross multiply
    130,505.56x = 180,092.86 × 70,888.28
  4. Step 4: Simplify right side
    130,505.56x = 12,766,473,085.68
  5. Step 5: Solve for x
    x = 12,766,473,085.68/130,505.56
  6. Step 6: Final answer
    x = 97,823.21

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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.