Home / 156,639.24-216,110.69-88,649.46

Finding the Fourth Proportional to 156,639.24, 216,110.69 and 88,649.46

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Solution

The fourth proportional to 156,639.24, 216,110.69 and 88,649.46 is: 122,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,639.24 : 216,110.69 = 88,649.46 : x
  2. Step 2: Convert to fraction form
    156,639.24/216,110.69 = 88,649.46/x
  3. Step 3: Cross multiply
    156,639.24x = 216,110.69 × 88,649.46
  4. Step 4: Simplify right side
    156,639.24x = 19,158,095,525.48
  5. Step 5: Solve for x
    x = 19,158,095,525.48/156,639.24
  6. Step 6: Final answer
    x = 122,307.13

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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.