Home / 216,285.17-298,307.61-130,154.36

Finding the Fourth Proportional to 216,285.17, 298,307.61 and 130,154.36

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Solution

The fourth proportional to 216,285.17, 298,307.61 and 130,154.36 is: 179,513.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,285.17 : 298,307.61 = 130,154.36 : x
  2. Step 2: Convert to fraction form
    216,285.17/298,307.61 = 130,154.36/x
  3. Step 3: Cross multiply
    216,285.17x = 298,307.61 × 130,154.36
  4. Step 4: Simplify right side
    216,285.17x = 38,826,034,571.14
  5. Step 5: Solve for x
    x = 38,826,034,571.14/216,285.17
  6. Step 6: Final answer
    x = 179,513.17

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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.