Home / 72,150.63-108,222.86-70,461.17

Finding the Fourth Proportional to 72,150.63, 108,222.86 and 70,461.17

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Solution

The fourth proportional to 72,150.63, 108,222.86 and 70,461.17 is: 105,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,150.63 : 108,222.86 = 70,461.17 : x
  2. Step 2: Convert to fraction form
    72,150.63/108,222.86 = 70,461.17/x
  3. Step 3: Cross multiply
    72,150.63x = 108,222.86 × 70,461.17
  4. Step 4: Simplify right side
    72,150.63x = 7,625,509,336.35
  5. Step 5: Solve for x
    x = 7,625,509,336.35/72,150.63
  6. Step 6: Final answer
    x = 105,688.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.