Home / 112,020.66-154,587.08-61,035.50

Finding the Fourth Proportional to 112,020.66, 154,587.08 and 61,035.50

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Solution

The fourth proportional to 112,020.66, 154,587.08 and 61,035.50 is: 84,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,020.66 : 154,587.08 = 61,035.50 : x
  2. Step 2: Convert to fraction form
    112,020.66/154,587.08 = 61,035.50/x
  3. Step 3: Cross multiply
    112,020.66x = 154,587.08 × 61,035.50
  4. Step 4: Simplify right side
    112,020.66x = 9,435,299,721.34
  5. Step 5: Solve for x
    x = 9,435,299,721.34/112,020.66
  6. Step 6: Final answer
    x = 84,228.21

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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.