Home / 208,030.29-287,081.65-112,537.07

Finding the Fourth Proportional to 208,030.29, 287,081.65 and 112,537.07

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Solution

The fourth proportional to 208,030.29, 287,081.65 and 112,537.07 is: 155,301.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,030.29 : 287,081.65 = 112,537.07 : x
  2. Step 2: Convert to fraction form
    208,030.29/287,081.65 = 112,537.07/x
  3. Step 3: Cross multiply
    208,030.29x = 287,081.65 × 112,537.07
  4. Step 4: Simplify right side
    208,030.29x = 32,307,327,741.77
  5. Step 5: Solve for x
    x = 32,307,327,741.77/208,030.29
  6. Step 6: Final answer
    x = 155,301.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.