Home / 156,314.45-215,594.93-134,547.77

Finding the Fourth Proportional to 156,314.45, 215,594.93 and 134,547.77

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Solution

The fourth proportional to 156,314.45, 215,594.93 and 134,547.77 is: 185,573.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,314.45 : 215,594.93 = 134,547.77 : x
  2. Step 2: Convert to fraction form
    156,314.45/215,594.93 = 134,547.77/x
  3. Step 3: Cross multiply
    156,314.45x = 215,594.93 × 134,547.77
  4. Step 4: Simplify right side
    156,314.45x = 29,007,817,054.81
  5. Step 5: Solve for x
    x = 29,007,817,054.81/156,314.45
  6. Step 6: Final answer
    x = 185,573.48

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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.