Home / 145,396.04-218,032.14-55,423.40

Finding the Fourth Proportional to 145,396.04, 218,032.14 and 55,423.40

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Solution

The fourth proportional to 145,396.04, 218,032.14 and 55,423.40 is: 83,111.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,396.04 : 218,032.14 = 55,423.40 : x
  2. Step 2: Convert to fraction form
    145,396.04/218,032.14 = 55,423.40/x
  3. Step 3: Cross multiply
    145,396.04x = 218,032.14 × 55,423.40
  4. Step 4: Simplify right side
    145,396.04x = 12,084,082,508.08
  5. Step 5: Solve for x
    x = 12,084,082,508.08/145,396.04
  6. Step 6: Final answer
    x = 83,111.50

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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.