Home / 152,319.07-210,195.16-84,338.91

Finding the Fourth Proportional to 152,319.07, 210,195.16 and 84,338.91

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Solution

The fourth proportional to 152,319.07, 210,195.16 and 84,338.91 is: 116,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,319.07 : 210,195.16 = 84,338.91 : x
  2. Step 2: Convert to fraction form
    152,319.07/210,195.16 = 84,338.91/x
  3. Step 3: Cross multiply
    152,319.07x = 210,195.16 × 84,338.91
  4. Step 4: Simplify right side
    152,319.07x = 17,727,630,681.68
  5. Step 5: Solve for x
    x = 17,727,630,681.68/152,319.07
  6. Step 6: Final answer
    x = 116,384.84

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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.