Home / 145,510.12-218,303.16-45,673.48

Finding the Fourth Proportional to 145,510.12, 218,303.16 and 45,673.48

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Solution

The fourth proportional to 145,510.12, 218,303.16 and 45,673.48 is: 68,522.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,510.12 : 218,303.16 = 45,673.48 : x
  2. Step 2: Convert to fraction form
    145,510.12/218,303.16 = 45,673.48/x
  3. Step 3: Cross multiply
    145,510.12x = 218,303.16 × 45,673.48
  4. Step 4: Simplify right side
    145,510.12x = 9,970,665,012.20
  5. Step 5: Solve for x
    x = 9,970,665,012.20/145,510.12
  6. Step 6: Final answer
    x = 68,522.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.