Home / 115,181.12-158,948.52-64,880.24

Finding the Fourth Proportional to 115,181.12, 158,948.52 and 64,880.24

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Solution

The fourth proportional to 115,181.12, 158,948.52 and 64,880.24 is: 89,533.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,181.12 : 158,948.52 = 64,880.24 : x
  2. Step 2: Convert to fraction form
    115,181.12/158,948.52 = 64,880.24/x
  3. Step 3: Cross multiply
    115,181.12x = 158,948.52 × 64,880.24
  4. Step 4: Simplify right side
    115,181.12x = 10,312,618,125.24
  5. Step 5: Solve for x
    x = 10,312,618,125.24/115,181.12
  6. Step 6: Final answer
    x = 89,533.93

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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.