Home / 115,366.65-159,205.71-64,376.25

Finding the Fourth Proportional to 115,366.65, 159,205.71 and 64,376.25

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Solution

The fourth proportional to 115,366.65, 159,205.71 and 64,376.25 is: 88,839.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,366.65 : 159,205.71 = 64,376.25 : x
  2. Step 2: Convert to fraction form
    115,366.65/159,205.71 = 64,376.25/x
  3. Step 3: Cross multiply
    115,366.65x = 159,205.71 × 64,376.25
  4. Step 4: Simplify right side
    115,366.65x = 10,249,066,588.39
  5. Step 5: Solve for x
    x = 10,249,066,588.39/115,366.65
  6. Step 6: Final answer
    x = 88,839.08

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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.