Home / 141,011.79-211,406.74-69,885.55

Finding the Fourth Proportional to 141,011.79, 211,406.74 and 69,885.55

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Solution

The fourth proportional to 141,011.79, 211,406.74 and 69,885.55 is: 104,773.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,011.79 : 211,406.74 = 69,885.55 : x
  2. Step 2: Convert to fraction form
    141,011.79/211,406.74 = 69,885.55/x
  3. Step 3: Cross multiply
    141,011.79x = 211,406.74 × 69,885.55
  4. Step 4: Simplify right side
    141,011.79x = 14,774,276,298.61
  5. Step 5: Solve for x
    x = 14,774,276,298.61/141,011.79
  6. Step 6: Final answer
    x = 104,773.34

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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.