Home / 152,317.07-210,192.40-84,336.91

Finding the Fourth Proportional to 152,317.07, 210,192.40 and 84,336.91

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Solution

The fourth proportional to 152,317.07, 210,192.40 and 84,336.91 is: 116,382.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,317.07 : 210,192.40 = 84,336.91 : x
  2. Step 2: Convert to fraction form
    152,317.07/210,192.40 = 84,336.91/x
  3. Step 3: Cross multiply
    152,317.07x = 210,192.40 × 84,336.91
  4. Step 4: Simplify right side
    152,317.07x = 17,726,977,101.42
  5. Step 5: Solve for x
    x = 17,726,977,101.42/152,317.07
  6. Step 6: Final answer
    x = 116,382.08

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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.