Home / 145,767.55-201,090.48-85,301.11

Finding the Fourth Proportional to 145,767.55, 201,090.48 and 85,301.11

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Solution

The fourth proportional to 145,767.55, 201,090.48 and 85,301.11 is: 117,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,767.55 : 201,090.48 = 85,301.11 : x
  2. Step 2: Convert to fraction form
    145,767.55/201,090.48 = 85,301.11/x
  3. Step 3: Cross multiply
    145,767.55x = 201,090.48 × 85,301.11
  4. Step 4: Simplify right side
    145,767.55x = 17,153,240,148.98
  5. Step 5: Solve for x
    x = 17,153,240,148.98/145,767.55
  6. Step 6: Final answer
    x = 117,675.30

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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.