Home / 160,037.89-240,207.45-81,208.69

Finding the Fourth Proportional to 160,037.89, 240,207.45 and 81,208.69

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Solution

The fourth proportional to 160,037.89, 240,207.45 and 81,208.69 is: 121,889.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,037.89 : 240,207.45 = 81,208.69 : x
  2. Step 2: Convert to fraction form
    160,037.89/240,207.45 = 81,208.69/x
  3. Step 3: Cross multiply
    160,037.89x = 240,207.45 × 81,208.69
  4. Step 4: Simplify right side
    160,037.89x = 19,506,932,342.74
  5. Step 5: Solve for x
    x = 19,506,932,342.74/160,037.89
  6. Step 6: Final answer
    x = 121,889.46

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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.