Home / 154,466.91-213,154.02-86,472.39

Finding the Fourth Proportional to 154,466.91, 213,154.02 and 86,472.39

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Solution

The fourth proportional to 154,466.91, 213,154.02 and 86,472.39 is: 119,326.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,466.91 : 213,154.02 = 86,472.39 : x
  2. Step 2: Convert to fraction form
    154,466.91/213,154.02 = 86,472.39/x
  3. Step 3: Cross multiply
    154,466.91x = 213,154.02 × 86,472.39
  4. Step 4: Simplify right side
    154,466.91x = 18,431,937,547.51
  5. Step 5: Solve for x
    x = 18,431,937,547.51/154,466.91
  6. Step 6: Final answer
    x = 119,326.12

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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.