Home / 145,973.29-218,941.09-46,143.56

Finding the Fourth Proportional to 145,973.29, 218,941.09 and 46,143.56

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Solution

The fourth proportional to 145,973.29, 218,941.09 and 46,143.56 is: 69,209.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,973.29 : 218,941.09 = 46,143.56 : x
  2. Step 2: Convert to fraction form
    145,973.29/218,941.09 = 46,143.56/x
  3. Step 3: Cross multiply
    145,973.29x = 218,941.09 × 46,143.56
  4. Step 4: Simplify right side
    145,973.29x = 10,102,721,322.88
  5. Step 5: Solve for x
    x = 10,102,721,322.88/145,973.29
  6. Step 6: Final answer
    x = 69,209.38

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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.