Home / 109,664.68-164,547.10-59,669.80

Finding the Fourth Proportional to 109,664.68, 164,547.10 and 59,669.80

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Solution

The fourth proportional to 109,664.68, 164,547.10 and 59,669.80 is: 89,531.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,664.68 : 164,547.10 = 59,669.80 : x
  2. Step 2: Convert to fraction form
    109,664.68/164,547.10 = 59,669.80/x
  3. Step 3: Cross multiply
    109,664.68x = 164,547.10 × 59,669.80
  4. Step 4: Simplify right side
    109,664.68x = 9,818,492,547.58
  5. Step 5: Solve for x
    x = 9,818,492,547.58/109,664.68
  6. Step 6: Final answer
    x = 89,531.95

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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.