Home / 130,834.16-180,550.80-73,465.08

Finding the Fourth Proportional to 130,834.16, 180,550.80 and 73,465.08

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Solution

The fourth proportional to 130,834.16, 180,550.80 and 73,465.08 is: 101,381.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,834.16 : 180,550.80 = 73,465.08 : x
  2. Step 2: Convert to fraction form
    130,834.16/180,550.80 = 73,465.08/x
  3. Step 3: Cross multiply
    130,834.16x = 180,550.80 × 73,465.08
  4. Step 4: Simplify right side
    130,834.16x = 13,264,178,966.06
  5. Step 5: Solve for x
    x = 13,264,178,966.06/130,834.16
  6. Step 6: Final answer
    x = 101,381.62

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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.