Home / 103,172.04-154,707-36,602.18

Finding the Fourth Proportional to 103,172.04, 154,707 and 36,602.18

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Solution

The fourth proportional to 103,172.04, 154,707 and 36,602.18 is: 54,885.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,172.04 : 154,707 = 36,602.18 : x
  2. Step 2: Convert to fraction form
    103,172.04/154,707 = 36,602.18/x
  3. Step 3: Cross multiply
    103,172.04x = 154,707 × 36,602.18
  4. Step 4: Simplify right side
    103,172.04x = 5,662,613,461.26
  5. Step 5: Solve for x
    x = 5,662,613,461.26/103,172.04
  6. Step 6: Final answer
    x = 54,885.16

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1.5x scale

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.