Home / 109,878.42-164,647.13-76,210.17

Finding the Fourth Proportional to 109,878.42, 164,647.13 and 76,210.17

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Solution

The fourth proportional to 109,878.42, 164,647.13 and 76,210.17 is: 114,197.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,878.42 : 164,647.13 = 76,210.17 : x
  2. Step 2: Convert to fraction form
    109,878.42/164,647.13 = 76,210.17/x
  3. Step 3: Cross multiply
    109,878.42x = 164,647.13 × 76,210.17
  4. Step 4: Simplify right side
    109,878.42x = 12,547,785,386.26
  5. Step 5: Solve for x
    x = 12,547,785,386.26/109,878.42
  6. Step 6: Final answer
    x = 114,197.00

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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.