Home / 145,756.86-201,194.79-85,346.92

Finding the Fourth Proportional to 145,756.86, 201,194.79 and 85,346.92

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Solution

The fourth proportional to 145,756.86, 201,194.79 and 85,346.92 is: 117,808.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,756.86 : 201,194.79 = 85,346.92 : x
  2. Step 2: Convert to fraction form
    145,756.86/201,194.79 = 85,346.92/x
  3. Step 3: Cross multiply
    145,756.86x = 201,194.79 × 85,346.92
  4. Step 4: Simplify right side
    145,756.86x = 17,171,355,646.55
  5. Step 5: Solve for x
    x = 17,171,355,646.55/145,756.86
  6. Step 6: Final answer
    x = 117,808.22

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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.