Home / 112,030.48-154,600.10-61,043.57

Finding the Fourth Proportional to 112,030.48, 154,600.10 and 61,043.57

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Solution

The fourth proportional to 112,030.48, 154,600.10 and 61,043.57 is: 84,239.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,030.48 : 154,600.10 = 61,043.57 : x
  2. Step 2: Convert to fraction form
    112,030.48/154,600.10 = 61,043.57/x
  3. Step 3: Cross multiply
    112,030.48x = 154,600.10 × 61,043.57
  4. Step 4: Simplify right side
    112,030.48x = 9,437,341,839.03
  5. Step 5: Solve for x
    x = 9,437,341,839.03/112,030.48
  6. Step 6: Final answer
    x = 84,239.05

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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.