Home / 135,312.34-186,607.69-116,186.12

Finding the Fourth Proportional to 135,312.34, 186,607.69 and 116,186.12

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Solution

The fourth proportional to 135,312.34, 186,607.69 and 116,186.12 is: 160,230.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,312.34 : 186,607.69 = 116,186.12 : x
  2. Step 2: Convert to fraction form
    135,312.34/186,607.69 = 116,186.12/x
  3. Step 3: Cross multiply
    135,312.34x = 186,607.69 × 116,186.12
  4. Step 4: Simplify right side
    135,312.34x = 21,681,223,463.26
  5. Step 5: Solve for x
    x = 21,681,223,463.26/135,312.34
  6. Step 6: Final answer
    x = 160,230.94

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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.