Home / 130,767.56-180,465.23-72,624.56

Finding the Fourth Proportional to 130,767.56, 180,465.23 and 72,624.56

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Solution

The fourth proportional to 130,767.56, 180,465.23 and 72,624.56 is: 100,225.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,767.56 : 180,465.23 = 72,624.56 : x
  2. Step 2: Convert to fraction form
    130,767.56/180,465.23 = 72,624.56/x
  3. Step 3: Cross multiply
    130,767.56x = 180,465.23 × 72,624.56
  4. Step 4: Simplify right side
    130,767.56x = 13,106,206,658.60
  5. Step 5: Solve for x
    x = 13,106,206,658.60/130,767.56
  6. Step 6: Final answer
    x = 100,225.22

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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.