Home / 146,389.02-201,995.48-85,979.16

Finding the Fourth Proportional to 146,389.02, 201,995.48 and 85,979.16

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Solution

The fourth proportional to 146,389.02, 201,995.48 and 85,979.16 is: 118,638.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,389.02 : 201,995.48 = 85,979.16 : x
  2. Step 2: Convert to fraction form
    146,389.02/201,995.48 = 85,979.16/x
  3. Step 3: Cross multiply
    146,389.02x = 201,995.48 × 85,979.16
  4. Step 4: Simplify right side
    146,389.02x = 17,367,401,264.30
  5. Step 5: Solve for x
    x = 17,367,401,264.30/146,389.02
  6. Step 6: Final answer
    x = 118,638.69

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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.