Home / 115,827.04-159,824.31-64,837.12

Finding the Fourth Proportional to 115,827.04, 159,824.31 and 64,837.12

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Solution

The fourth proportional to 115,827.04, 159,824.31 and 64,837.12 is: 89,465.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,827.04 : 159,824.31 = 64,837.12 : x
  2. Step 2: Convert to fraction form
    115,827.04/159,824.31 = 64,837.12/x
  3. Step 3: Cross multiply
    115,827.04x = 159,824.31 × 64,837.12
  4. Step 4: Simplify right side
    115,827.04x = 10,362,547,966.39
  5. Step 5: Solve for x
    x = 10,362,547,966.39/115,827.04
  6. Step 6: Final answer
    x = 89,465.71

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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.