Home / 210,625.02-315,953.86-70,384.14

Finding the Fourth Proportional to 210,625.02, 315,953.86 and 70,384.14

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Solution

The fourth proportional to 210,625.02, 315,953.86 and 70,384.14 is: 105,581.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,625.02 : 315,953.86 = 70,384.14 : x
  2. Step 2: Convert to fraction form
    210,625.02/315,953.86 = 70,384.14/x
  3. Step 3: Cross multiply
    210,625.02x = 315,953.86 × 70,384.14
  4. Step 4: Simplify right side
    210,625.02x = 22,238,140,715.78
  5. Step 5: Solve for x
    x = 22,238,140,715.78/210,625.02
  6. Step 6: Final answer
    x = 105,581.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.