Home / 97,315.37-145,960.48-30,762.21

Finding the Fourth Proportional to 97,315.37, 145,960.48 and 30,762.21

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Solution

The fourth proportional to 97,315.37, 145,960.48 and 30,762.21 is: 46,139.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,315.37 : 145,960.48 = 30,762.21 : x
  2. Step 2: Convert to fraction form
    97,315.37/145,960.48 = 30,762.21/x
  3. Step 3: Cross multiply
    97,315.37x = 145,960.48 × 30,762.21
  4. Step 4: Simplify right side
    97,315.37x = 4,490,066,783.65
  5. Step 5: Solve for x
    x = 4,490,066,783.65/97,315.37
  6. Step 6: Final answer
    x = 46,139.34

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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.