Home / 115,547.92-159,441.47-67,783.84

Finding the Fourth Proportional to 115,547.92, 159,441.47 and 67,783.84

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Solution

The fourth proportional to 115,547.92, 159,441.47 and 67,783.84 is: 93,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,547.92 : 159,441.47 = 67,783.84 : x
  2. Step 2: Convert to fraction form
    115,547.92/159,441.47 = 67,783.84/x
  3. Step 3: Cross multiply
    115,547.92x = 159,441.47 × 67,783.84
  4. Step 4: Simplify right side
    115,547.92x = 10,807,554,862.70
  5. Step 5: Solve for x
    x = 10,807,554,862.70/115,547.92
  6. Step 6: Final answer
    x = 93,533.10

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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.