Home / 113,500.08-170,243.64-43,386.48

Finding the Fourth Proportional to 113,500.08, 170,243.64 and 43,386.48

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Solution

The fourth proportional to 113,500.08, 170,243.64 and 43,386.48 is: 65,077.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,500.08 : 170,243.64 = 43,386.48 : x
  2. Step 2: Convert to fraction form
    113,500.08/170,243.64 = 43,386.48/x
  3. Step 3: Cross multiply
    113,500.08x = 170,243.64 × 43,386.48
  4. Step 4: Simplify right side
    113,500.08x = 7,386,272,281.99
  5. Step 5: Solve for x
    x = 7,386,272,281.99/113,500.08
  6. Step 6: Final answer
    x = 65,077.24

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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.