Home / 130,918.77-180,686.75-94,737.69

Finding the Fourth Proportional to 130,918.77, 180,686.75 and 94,737.69

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Solution

The fourth proportional to 130,918.77, 180,686.75 and 94,737.69 is: 130,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,918.77 : 180,686.75 = 94,737.69 : x
  2. Step 2: Convert to fraction form
    130,918.77/180,686.75 = 94,737.69/x
  3. Step 3: Cross multiply
    130,918.77x = 180,686.75 × 94,737.69
  4. Step 4: Simplify right side
    130,918.77x = 17,117,844,834.92
  5. Step 5: Solve for x
    x = 17,117,844,834.92/130,918.77
  6. Step 6: Final answer
    x = 130,751.65

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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.