Home / 191,421.51-287,130.29-49,266.22

Finding the Fourth Proportional to 191,421.51, 287,130.29 and 49,266.22

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Solution

The fourth proportional to 191,421.51, 287,130.29 and 49,266.22 is: 73,898.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,421.51 : 287,130.29 = 49,266.22 : x
  2. Step 2: Convert to fraction form
    191,421.51/287,130.29 = 49,266.22/x
  3. Step 3: Cross multiply
    191,421.51x = 287,130.29 × 49,266.22
  4. Step 4: Simplify right side
    191,421.51x = 14,145,824,035.80
  5. Step 5: Solve for x
    x = 14,145,824,035.80/191,421.51
  6. Step 6: Final answer
    x = 73,898.82

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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.