Home / 131,423.60-181,364.36-70,994.22

Finding the Fourth Proportional to 131,423.60, 181,364.36 and 70,994.22

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Solution

The fourth proportional to 131,423.60, 181,364.36 and 70,994.22 is: 97,971.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,423.60 : 181,364.36 = 70,994.22 : x
  2. Step 2: Convert to fraction form
    131,423.60/181,364.36 = 70,994.22/x
  3. Step 3: Cross multiply
    131,423.60x = 181,364.36 × 70,994.22
  4. Step 4: Simplify right side
    131,423.60x = 12,875,820,919.03
  5. Step 5: Solve for x
    x = 12,875,820,919.03/131,423.60
  6. Step 6: Final answer
    x = 97,971.91

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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.