Home / 142,614.48-196,746.18-85,994.40

Finding the Fourth Proportional to 142,614.48, 196,746.18 and 85,994.40

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Solution

The fourth proportional to 142,614.48, 196,746.18 and 85,994.40 is: 118,635.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,614.48 : 196,746.18 = 85,994.40 : x
  2. Step 2: Convert to fraction form
    142,614.48/196,746.18 = 85,994.40/x
  3. Step 3: Cross multiply
    142,614.48x = 196,746.18 × 85,994.40
  4. Step 4: Simplify right side
    142,614.48x = 16,919,069,701.39
  5. Step 5: Solve for x
    x = 16,919,069,701.39/142,614.48
  6. Step 6: Final answer
    x = 118,635.01

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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.