Home / 160,180.96-240,038.16-76,977.76

Finding the Fourth Proportional to 160,180.96, 240,038.16 and 76,977.76

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Solution

The fourth proportional to 160,180.96, 240,038.16 and 76,977.76 is: 115,354.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,180.96 : 240,038.16 = 76,977.76 : x
  2. Step 2: Convert to fraction form
    160,180.96/240,038.16 = 76,977.76/x
  3. Step 3: Cross multiply
    160,180.96x = 240,038.16 × 76,977.76
  4. Step 4: Simplify right side
    160,180.96x = 18,477,599,871.32
  5. Step 5: Solve for x
    x = 18,477,599,871.32/160,180.96
  6. Step 6: Final answer
    x = 115,354.53

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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.