Home / 112,507.95-155,290.77-70,041.27

Finding the Fourth Proportional to 112,507.95, 155,290.77 and 70,041.27

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Solution

The fourth proportional to 112,507.95, 155,290.77 and 70,041.27 is: 96,675.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,507.95 : 155,290.77 = 70,041.27 : x
  2. Step 2: Convert to fraction form
    112,507.95/155,290.77 = 70,041.27/x
  3. Step 3: Cross multiply
    112,507.95x = 155,290.77 × 70,041.27
  4. Step 4: Simplify right side
    112,507.95x = 10,876,762,750.08
  5. Step 5: Solve for x
    x = 10,876,762,750.08/112,507.95
  6. Step 6: Final answer
    x = 96,675.50

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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.