Home / 86,386.02-119,216.34-48,145.59

Finding the Fourth Proportional to 86,386.02, 119,216.34 and 48,145.59

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Solution

The fourth proportional to 86,386.02, 119,216.34 and 48,145.59 is: 66,442.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,386.02 : 119,216.34 = 48,145.59 : x
  2. Step 2: Convert to fraction form
    86,386.02/119,216.34 = 48,145.59/x
  3. Step 3: Cross multiply
    86,386.02x = 119,216.34 × 48,145.59
  4. Step 4: Simplify right side
    86,386.02x = 5,739,741,026.94
  5. Step 5: Solve for x
    x = 5,739,741,026.94/86,386.02
  6. Step 6: Final answer
    x = 66,442.94

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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.