Home / 155,715.16-214,886.93-84,095.19

Finding the Fourth Proportional to 155,715.16, 214,886.93 and 84,095.19

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Solution

The fourth proportional to 155,715.16, 214,886.93 and 84,095.19 is: 116,051.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,715.16 : 214,886.93 = 84,095.19 : x
  2. Step 2: Convert to fraction form
    155,715.16/214,886.93 = 84,095.19/x
  3. Step 3: Cross multiply
    155,715.16x = 214,886.93 × 84,095.19
  4. Step 4: Simplify right side
    155,715.16x = 18,070,957,206.87
  5. Step 5: Solve for x
    x = 18,070,957,206.87/155,715.16
  6. Step 6: Final answer
    x = 116,051.37

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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.