Home / 130,868.01-180,551.86-85,572.50

Finding the Fourth Proportional to 130,868.01, 180,551.86 and 85,572.50

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Solution

The fourth proportional to 130,868.01, 180,551.86 and 85,572.50 is: 118,059.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,868.01 : 180,551.86 = 85,572.50 : x
  2. Step 2: Convert to fraction form
    130,868.01/180,551.86 = 85,572.50/x
  3. Step 3: Cross multiply
    130,868.01x = 180,551.86 × 85,572.50
  4. Step 4: Simplify right side
    130,868.01x = 15,450,274,039.85
  5. Step 5: Solve for x
    x = 15,450,274,039.85/130,868.01
  6. Step 6: Final answer
    x = 118,059.98

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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.