Home / 140,646.48-211,038.96-65,771.76

Finding the Fourth Proportional to 140,646.48, 211,038.96 and 65,771.76

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Solution

The fourth proportional to 140,646.48, 211,038.96 and 65,771.76 is: 98,690.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,646.48 : 211,038.96 = 65,771.76 : x
  2. Step 2: Convert to fraction form
    140,646.48/211,038.96 = 65,771.76/x
  3. Step 3: Cross multiply
    140,646.48x = 211,038.96 × 65,771.76
  4. Step 4: Simplify right side
    140,646.48x = 13,880,403,827.77
  5. Step 5: Solve for x
    x = 13,880,403,827.77/140,646.48
  6. Step 6: Final answer
    x = 98,690.02

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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.