Home / 113,747.16-170,270.76-74,219.16

Finding the Fourth Proportional to 113,747.16, 170,270.76 and 74,219.16

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Solution

The fourth proportional to 113,747.16, 170,270.76 and 74,219.16 is: 111,100.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,747.16 : 170,270.76 = 74,219.16 : x
  2. Step 2: Convert to fraction form
    113,747.16/170,270.76 = 74,219.16/x
  3. Step 3: Cross multiply
    113,747.16x = 170,270.76 × 74,219.16
  4. Step 4: Simplify right side
    113,747.16x = 12,637,352,779.76
  5. Step 5: Solve for x
    x = 12,637,352,779.76/113,747.16
  6. Step 6: Final answer
    x = 111,100.38

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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.