Home / 155,879.08-215,062.38-95,386.60

Finding the Fourth Proportional to 155,879.08, 215,062.38 and 95,386.60

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Solution

The fourth proportional to 155,879.08, 215,062.38 and 95,386.60 is: 131,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,879.08 : 215,062.38 = 95,386.60 : x
  2. Step 2: Convert to fraction form
    155,879.08/215,062.38 = 95,386.60/x
  3. Step 3: Cross multiply
    155,879.08x = 215,062.38 × 95,386.60
  4. Step 4: Simplify right side
    155,879.08x = 20,514,069,216.11
  5. Step 5: Solve for x
    x = 20,514,069,216.11/155,879.08
  6. Step 6: Final answer
    x = 131,602.45

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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.