Home / 145,767.25-218,298.22-70,701.51

Finding the Fourth Proportional to 145,767.25, 218,298.22 and 70,701.51

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Solution

The fourth proportional to 145,767.25, 218,298.22 and 70,701.51 is: 105,881.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,767.25 : 218,298.22 = 70,701.51 : x
  2. Step 2: Convert to fraction form
    145,767.25/218,298.22 = 70,701.51/x
  3. Step 3: Cross multiply
    145,767.25x = 218,298.22 × 70,701.51
  4. Step 4: Simplify right side
    145,767.25x = 15,434,013,784.31
  5. Step 5: Solve for x
    x = 15,434,013,784.31/145,767.25
  6. Step 6: Final answer
    x = 105,881.22

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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.