Home / 112,070.15-154,649.81-61,769.15

Finding the Fourth Proportional to 112,070.15, 154,649.81 and 61,769.15

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Solution

The fourth proportional to 112,070.15, 154,649.81 and 61,769.15 is: 85,237.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,070.15 : 154,649.81 = 61,769.15 : x
  2. Step 2: Convert to fraction form
    112,070.15/154,649.81 = 61,769.15/x
  3. Step 3: Cross multiply
    112,070.15x = 154,649.81 × 61,769.15
  4. Step 4: Simplify right side
    112,070.15x = 9,552,586,925.02
  5. Step 5: Solve for x
    x = 9,552,586,925.02/112,070.15
  6. Step 6: Final answer
    x = 85,237.57

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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.