Home / 160,038.39-240,208.20-81,209.19

Finding the Fourth Proportional to 160,038.39, 240,208.20 and 81,209.19

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Solution

The fourth proportional to 160,038.39, 240,208.20 and 81,209.19 is: 121,890.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,038.39 : 240,208.20 = 81,209.19 : x
  2. Step 2: Convert to fraction form
    160,038.39/240,208.20 = 81,209.19/x
  3. Step 3: Cross multiply
    160,038.39x = 240,208.20 × 81,209.19
  4. Step 4: Simplify right side
    160,038.39x = 19,507,113,353.36
  5. Step 5: Solve for x
    x = 19,507,113,353.36/160,038.39
  6. Step 6: Final answer
    x = 121,890.21

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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.