Home / 115,006.61-158,709.09-64,018.24

Finding the Fourth Proportional to 115,006.61, 158,709.09 and 64,018.24

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Solution

The fourth proportional to 115,006.61, 158,709.09 and 64,018.24 is: 88,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,006.61 : 158,709.09 = 64,018.24 : x
  2. Step 2: Convert to fraction form
    115,006.61/158,709.09 = 64,018.24/x
  3. Step 3: Cross multiply
    115,006.61x = 158,709.09 × 64,018.24
  4. Step 4: Simplify right side
    115,006.61x = 10,160,275,820.26
  5. Step 5: Solve for x
    x = 10,160,275,820.26/115,006.61
  6. Step 6: Final answer
    x = 88,345.15

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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.